updated citation textbox lines

app.py

@@ -283,7 +283,9 @@ with gr.Blocks() as demo:
             citation_button = gr.Textbox(
                 value=CITATION_BUTTON_TEXT,
                 label=CITATION_BUTTON_LABEL,
-                elem_id='citation-button')
+                elem_id='citation-button',
+                lines=10,
+            )
 
 
 if __name__ == '__main__':
@@ -291,7 +293,7 @@ if __name__ == '__main__':
 
     parser = argparse.ArgumentParser()
     parser.add_argument("--host", type=str, default="0.0.0.0")
-    parser.add_argument("--port", type=int)
+    parser.add_argument("--port", type=int, default="7860")
     parser.add_argument(
         "--share",
         action="store_true",